Page 145 - Lecture Notes DCC3113
P. 145
EXERCISE 10
1. Describe briefly THREE (3) purposes of road maintenance.
(3 marks)
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
2. Explain in details the reconstruction techniques for flexible pavement
(5 marks)
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
3. Match the correct return period and its activities of routine operation maintenance below.
Activities Return period
Grass cutting 1 – 2 times per year
Drainage cleaning 12 times per year
Road shoulder maintenance 4 – 6 times per year
Bridge maintenance 2 – 3 times per year
138
